5205535145 has 16 divisors (see below), whose sum is σ = 6523500672. Its totient is φ = 3980148480.

The previous prime is 5205535121. The next prime is 5205535157. The reversal of 5205535145 is 5415355025.

It is not a de Polignac number, because 5205535145 - 2¹⁸ = 5205273001 is a prime.

It is a super-2 number, since 2×5205535145² = 54195192291660342050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129905 + ... + 165185.

It is an arithmetic number, because the mean of its divisors is an integer number (407718792).

Almost surely, 2^5205535145 is an apocalyptic number.

It is an amenable number.

5205535145 is a deficient number, since it is larger than the sum of its proper divisors (1317965527).

5205535145 is a wasteful number, since it uses less digits than its factorization.

5205535145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36592.

The product of its (nonzero) digits is 75000, while the sum is 35.

The square root of 5205535145 is about 72149.3946267049. The cubic root of 5205535145 is about 1733.0927053993.

The spelling of 5205535145 in words is "five billion, two hundred five million, five hundred thirty-five thousand, one hundred forty-five".